1 files changed, 138 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-whistler-kbc.c b/arch/arm/mach-tegra/board-whistler-kbc.c
new file mode 100644
index 00000000000..0dbcbbcdc31
--- /dev/null
+++ b/arch/arm/mach-tegra/board-whistler-kbc.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2010-2011 NVIDIA, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307, USA
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/device.h>
+
+#include <mach/clk.h>
+#include <mach/iomap.h>
+#include <mach/irqs.h>
+#include <mach/pinmux.h>
+#include <mach/iomap.h>
+#include <mach/io.h>
+#include <mach/kbc.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+/*
+* Scrollwheel is connected to KBC pins but has it's own
+* driver using those pins as gpio.
+* In case of using scrollwheel  Row3 and Col3/4/5
+* should NOT be configured as KBC
+*/
+#ifdef CONFIG_INPUT_ALPS_GPIO_SCROLLWHEEL
+#define WHISTLER_ROW_COUNT      3
+#define WHISTLER_COL_COUNT      2
+#else
+#define WHISTLER_ROW_COUNT      4
+#define WHISTLER_COL_COUNT      2
+#endif
+
+#ifdef CONFIG_INPUT_ALPS_GPIO_SCROLLWHEEL
+static const u32 whistler_keymap[] = {
+        KEY(0, 0, KEY_POWER),
+        KEY(0, 1, KEY_RESERVED),
+        KEY(1, 0, KEY_HOME),
+        KEY(1, 1, KEY_BACK),
+        KEY(2, 0, KEY_RESERVED),
+        KEY(2, 1, KEY_MENU),
+};
+#else
+static const u32 whistler_keymap[] = {
+        KEY(0, 0, KEY_POWER),
+        KEY(0, 1, KEY_RESERVED),
+        KEY(1, 0, KEY_HOME),
+        KEY(1, 1, KEY_BACK),
+        KEY(2, 0, KEY_RESERVED),
+        KEY(2, 1, KEY_MENU),
+        KEY(3, 0, KEY_RESERVED),
+        KEY(3, 1, KEY_RESERVED),
+};
+#endif
+
+static const struct matrix_keymap_data whistler_keymap_data = {
+        .keymap = whistler_keymap,
+        .keymap_size = ARRAY_SIZE(whistler_keymap),
+};
+
+static struct tegra_kbc_wake_key whistler_wake_cfg[] = {
+        [0] = {
+                .row = 0,
+                .col = 0,
+        },
+};
+
+static struct tegra_kbc_platform_data whistler_kbc_platform_data = {
+        .debounce_cnt = 20,
+        .repeat_cnt = 50 * 32,
+        .wake_cnt = 1,
+        .wake_cfg = &whistler_wake_cfg[0],
+        .keymap_data = &whistler_keymap_data,
+        .use_fn_map = false,
+        .wakeup = true,
+#ifdef CONFIG_ANDROID
+        .disable_ev_rep = true,
+#endif
+};
+
+static struct resource whistler_kbc_resources[] = {
+        [0] = {
+                .start = TEGRA_KBC_BASE,
+                .end   = TEGRA_KBC_BASE + TEGRA_KBC_SIZE - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = INT_KBC,
+                .end   = INT_KBC,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device whistler_kbc_device = {
+        .name = "tegra-kbc",
+        .id = -1,
+        .dev = {
+                .platform_data = &whistler_kbc_platform_data,
+        },
+        .resource = whistler_kbc_resources,
+        .num_resources = ARRAY_SIZE(whistler_kbc_resources),
+};
+
+int __init whistler_kbc_init(void)
+{
+        struct tegra_kbc_platform_data *data = &whistler_kbc_platform_data;
+        int i;
+
+        pr_info("KBC: whistler_kbc_init\n");
+        for (i = 0; i < WHISTLER_ROW_COUNT; i++) {
+                data->pin_cfg[i].num = i;
+                data->pin_cfg[i].is_row = true;
+                data->pin_cfg[i].en = true;
+        }
+        for (i = 0; i < WHISTLER_COL_COUNT; i++) {
+                data->pin_cfg[i + KBC_PIN_GPIO_16].num = i;
+                data->pin_cfg[i + KBC_PIN_GPIO_16].en = true;
+        }
+
+        platform_device_register(&whistler_kbc_device);
+        return 0;
+}